45. In the Ruby programming language, write a program to input the name of a file and print the extension of the file in the output.

C++ for Engineers and Scientists
4th Edition
ISBN:9781133187844
Author:Bronson, Gary J.
Publisher:Bronson, Gary J.
Chapter7: Arrays
Section7.5: Case Studies
Problem 7E: (File creation) Write a C++ program that creates an array containing the integer numbers 60, 40, 80,...
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45. In the Ruby programming language, write a program to input the
name of a file and print the extension of the file in the output.
Transcribed Image Text:45. In the Ruby programming language, write a program to input the name of a file and print the extension of the file in the output.
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